| Sabbagh | ||||
| Sites | MPE (%) | RMSE (kWh/m2/day) | MBE (kWh/m2/day) | NSE (kWh/m2/day) |
| Abeche | 3.7042 | 0.5418 | 0.037 | 0.0899 |
| Faya-Largeau | −6.7662 | 0.513 | −0.0677 | 0.6468 |
| Am-timan | −8.8376 | 0.5406 | −0.0884 | −0.1439 |
| N’Djamena | −0.3477 | 0.3842 | −0.0035 | 0.6927 |
| Moundou | −6.8922 | 0.475 | −0.0689 | 0.5949 |
| Sarh | −6.9461 | 0.4677 | −0.0695 | 0.6023 |
| Pala | −7.8795 | 0.4787 | −0.0788 | 0.4327 |
| Bongor | −2.1625 | 0.3344 | −0.0216 | 0.7042 |
| Ati | 0.3564 | 0.2314 | 0.0036 | 0.84056 |
| Bokoro | 5.0317 | 0.3798 | 0.0503 | 0.5602 |
| Mongo | 4.8254 | 0.3722 | 0.0483 | 0.5432 |
| Moussoro | 3.4003 | 0.3879 | 0.034 | 0.5697 |